From: Andreas Herrmann <andreas.herrmann3@amd.com>
To: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org,
Borislav Petkov <borislav.petkov@amd.com>,
Brice Goglin <Brice.Goglin@inria.fr>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: [PATCH 7/8] x86, smpboot: use zalloc_cpumask_var instead of alloc/clear
Date: Fri, 7 Aug 2009 15:05:13 +0200 [thread overview]
Message-ID: <20090807130513.GZ6520@alberich.amd.com> (raw)
In-Reply-To: <20090807125609.GH7198@alberich.amd.com>
Suggested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
---
arch/x86/kernel/smpboot.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index f50af56..f797214 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1068,14 +1068,10 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
#endif
current_thread_info()->cpu = 0; /* needed? */
for_each_possible_cpu(i) {
- alloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
- alloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
- alloc_cpumask_var(&per_cpu(cpu_node_map, i), GFP_KERNEL);
- alloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
- cpumask_clear(per_cpu(cpu_core_map, i));
- cpumask_clear(per_cpu(cpu_node_map, i));
- cpumask_clear(per_cpu(cpu_sibling_map, i));
- cpumask_clear(cpu_data(i).llc_shared_map);
+ zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&per_cpu(cpu_node_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
}
set_cpu_sibling_map(0);
--
1.6.3.3
next prev parent reply other threads:[~2009-08-07 13:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 12:56 [PATCH 0/8 v5] x86: Adapt CPU topology detection for AMD Magny-Cours Andreas Herrmann
2009-08-07 12:57 ` [PATCH 1/8] topology: Introduce cpu_node information for multi-node processors Andreas Herrmann
2009-08-07 12:57 ` [PATCH 2/8] x86: Provide CPU topology " Andreas Herrmann
2009-08-07 12:58 ` [PATCH 3/8] x86: Add cpu_node topology detection for AMD Magny-Cours Andreas Herrmann
2009-08-07 12:59 ` [PATCH 4/8] x86, topology: Swap semantic of core_siblings and cpu_node_siblings Andreas Herrmann
2009-08-07 13:02 ` [PATCH 5/8] x86, cacheinfo: Fixup L3 cache information for AMD multi-node processors Andreas Herrmann
2009-08-07 13:04 ` [PATCH 6/8] x86, mcheck: Make use of cpu_node_mask instead of cpu_core_mask Andreas Herrmann
2009-08-07 13:05 ` Andreas Herrmann [this message]
2009-08-07 13:05 ` [PATCH 8/8] topology: Update CPU topology documentation Andreas Herrmann
2009-08-12 23:22 ` [PATCH 0/8 v5] x86: Adapt CPU topology detection for AMD Magny-Cours Alex Chiang
2009-08-13 9:21 ` Andreas Herrmann
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